Helicopter crash: Report 'may take several months'

16 January 2013 Last updated at 14:20 GMT

Air accident investigators looking into the helicopter crash in London say their report into the incident may take several months.

Julian Firth, the principle investigator with Air Accidents Investigation Branch, said the helicopter crashed into Nine Elms Lane in Vauxhall, central London, after "impacting a structure" on Wednesday morning.